CN1260724C - 一种内容重放方法 - Google Patents

一种内容重放方法 Download PDF

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Publication number
CN1260724C
CN1260724C CNB01109575XA CN01109575A CN1260724C CN 1260724 C CN1260724 C CN 1260724C CN B01109575X A CNB01109575X A CN B01109575XA CN 01109575 A CN01109575 A CN 01109575A CN 1260724 C CN1260724 C CN 1260724C
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CN
China
Prior art keywords
content
signature information
signature
playback
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB01109575XA
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English (en)
Chinese (zh)
Other versions
CN1326191A (zh
Inventor
猪羽涉
日暮诚司
菅原隆幸
黑田義人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2000194148A external-priority patent/JP2002049530A/ja
Priority claimed from JP2000194147A external-priority patent/JP2002051039A/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of CN1326191A publication Critical patent/CN1326191A/zh
Application granted granted Critical
Publication of CN1260724C publication Critical patent/CN1260724C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00123—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the record carrier being identified by recognising some of its unique characteristics, e.g. a unique defect pattern serving as a physical signature of the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
CNB01109575XA 2000-05-25 2001-04-18 一种内容重放方法 Expired - Fee Related CN1260724C (zh)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP154326/2000 2000-05-25
JP2000154326 2000-05-25
JP156022/2000 2000-05-26
JP2000156022 2000-05-26
JP194148/2000 2000-06-28
JP194147/2000 2000-06-28
JP2000194148A JP2002049530A (ja) 2000-05-25 2000-06-28 コンテンツ記録方法、コンテンツ再生方法、コンテンツ記録装置、コンテンツ再生装置、及び記録媒体
JP2000194147A JP2002051039A (ja) 2000-05-26 2000-06-28 コンテンツ再生方法及びコンテンツ再生装置

Publications (2)

Publication Number Publication Date
CN1326191A CN1326191A (zh) 2001-12-12
CN1260724C true CN1260724C (zh) 2006-06-21

Family

ID=27481318

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB01109575XA Expired - Fee Related CN1260724C (zh) 2000-05-25 2001-04-18 一种内容重放方法

Country Status (3)

Country Link
US (1) US20010047481A1 (de)
EP (1) EP1158513A2 (de)
CN (1) CN1260724C (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4300705B2 (ja) * 2000-12-05 2009-07-22 ソニー株式会社 データ転送システム、データ転送装置、データ転送方法、記録媒体
JP2004164551A (ja) * 2002-06-24 2004-06-10 Ricoh Co Ltd データ記録体、記録媒体読取装置および記録媒体読取方法
US7721334B2 (en) 2004-01-30 2010-05-18 Microsoft Corporation Detection of code-free files
JP4352274B2 (ja) * 2006-11-16 2009-10-28 コニカミノルタビジネステクノロジーズ株式会社 画像形成装置及び印刷方法並びに制御プログラム
US8572409B2 (en) * 2008-09-26 2013-10-29 Stephen P. Spackman Method and apparatus for non-redundant encrypted storage
CN103380589B (zh) * 2011-06-13 2016-04-27 松下电器产业株式会社 终端装置、服务器装置、内容记录控制系统及记录方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2970739B2 (ja) * 1994-09-30 1999-11-02 日本ビクター株式会社 光ディスクの再生制御方法
US5953005A (en) * 1996-06-28 1999-09-14 Sun Microsystems, Inc. System and method for on-line multimedia access
US5922074A (en) * 1997-02-28 1999-07-13 Xcert Software, Inc. Method of and apparatus for providing secure distributed directory services and public key infrastructure
US6230268B1 (en) * 1997-09-12 2001-05-08 International Business Machines Corporation Data control system

Also Published As

Publication number Publication date
CN1326191A (zh) 2001-12-12
EP1158513A2 (de) 2001-11-28
US20010047481A1 (en) 2001-11-29

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Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060621

Termination date: 20140418